Matthew 12:34
You brood of snakes! how can you, bad as you are, utter anything good? For the mouth says only what the heart is full of.
Acts 20:30
and from your own number men will appear and teach perversions of the truth in order to draw the disciples away after them.
1 Timothy 5:13
Besides, as they go about from house to house they learn to be idle, and not only idle but gossips and busybodies, and talk of things they ought not to mention.
Titus 1:10-11
For there are many undisciplined people, who deceive themselves with their empty talk, especially those of the party of circumcision.
James 1:21
So strip yourselves of everything that soils you, and of every evil growth, and in a humble spirit let the message that has the power to save your souls be planted in your hearts.
James 3:6
And the tongue is a fire, a world of wrong the tongue proves in our bodies, soiling the whole body and setting fire to the whole round of nature, and set on fire itself by hell.